'Declaration
 
Public Shared Function ToDouble( _
   ByVal input As TdNumber _
) As Double

'Usage
 
Dim input As TdNumber
Dim value As Double
 
value = TdNumber.ToDouble(input)

public static double ToDouble( 
   TdNumber input
)

public:
static double ToDouble( 
   TdNumber input
) 

Parameters

input

The TdNumber that is to be converted to a double precision number.

Return Value

When a TdNumber is converted into s System.Double a rounding error may occur.

The reason for this is that the mantissa of a Double has a precision of 16 digits. A TdNumber has a precision of 40 digits. When a TdNumber is converted to a System.Double, it will be truncated at the 17th position from the left.

Reference

TdNumber Structure
TdNumber Members